baber/WOPTO huggingface dataset:
Patent GB-1044072-A (GB)
Title: Improvements in or relating to gear boxes
IPC: F16H29/22
Filed: 1964-01-27
Abstract: 1,044,072. Variable-speed gear. P. K. SAM. June 12, 1964 [Jan. 27, 1964], No. 3370/64. Headings F2D, F2K and F2Q. A variable-speed gear consists of a pair of parallel tiltable discs or swash-plates 7 mounted on an input shaft 4 and operating to reciprocate a toothed rack 23 mounted between them, the rack causing oscillation of a meshing pinion 22 which drives an output coupling member 27a through a unidirectional bevel gear 24, 25, 26. The discs 7 are interconnected by parallel links 11 and are tilted about pivots 8 by a link 13 connected to the sleeve 9 of a centrifugal governor 14 on shaft 4. Pinion 22 is mounted on a half-shaft 16a in line with a similar shaft 16b carrying bevel pinion 26, pinion 25 being connected to a housing 17 enclosing the ends of shafts 16a, 16b and connected to them by oppositely acting one-way roller clutches 19, 20. The latter operate to cause alternate partial rotation of pinions 25, 26 in response to the oscillation of pinion 22 and thus impart continuous rotation to crown-wheel 24 connected to coupling 27a. The output speed is determined by the degree of tilting of discs 7 in response to the speed of governor 14. The sleeve 9 carries a collar 28 engaged by a manual control linkage 29, 30 for torque and reverse control.
Patent GB-508295-A (GB)
Title: Improvements in and relating to methods of and apparatus for casting vitreous articles
IPC: C03B19/02
Filed: 1939-02-01
Abstract: 508,295. Glass manufacture; chemical compounds inorganic; casting alumina &c. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 1, 1939, No. 3396. Convention date, Feb. 1, 1938. [Class 56] [Also in.Groups III and V] A mould or other device for receiving molten vitreous material, such as glass, silica, or alumina, is coated with a compound of boron nitride to prevent the material from sticking. The mould may be made of metal, graphite, or ceramic or other refractory material, and the coating may be applied in any suitable way.
Patent GB-1444340-A (GB)
Title: Water-soluble trisazo dyestuff
IPC: C09B45/28
Filed: 1975-01-27
Abstract: 1444340 Water-soluble trisazo metallized dyestuff AZIENDE COLORI NAZIONALI AFFINI ACNA SpA 27 Jan 1975 [30 Jan 1974] 3435/75 Heading C4P The novel dyestuff of the formula is prepared by coupling diazotized 2-aminophenol-4-sulphonic acid with resorcinol, coppering using copper sulphate, coupling with tetraazotized 4,4<SP>1</SP>-diaminobenzanilide and then coupling the diazo-disazo reaction mass with maminophenol. It is used for dyeing cellulosic fibres, e.g. cotton, flax, regenerated cellulose, hemp and jute, in a brownish-yellow shade.
Patent GB-1447360-A (GB)
Title: Actuators for vehicle brakes
IPC: F16D65/22
Filed: 1972-11-09
Abstract: 1447360 Internal shoe drum brakes; wedge actuators GIRLING Ltd 9 Nov 1973 03452/76 Divided out of 1436939 Heading F2E An internal shoe drum brake has its respective brake shoes moved by respective tappets 4 operable by a wedge assembly comprising an actuating shaft 6 and a wedge member 7; the wedge member 7 has inclined faces 9 and between these faces 9 and inclined faces 10 on the respective tappets 4 there are provided respective rollers 8 retained and guided by a cage 11 movable with the wedge member 7 and slidably guided in the housing 1 of the actuator by the engagement of parts on the cage 11 at the end remote from the wedge assembly with guide means in the housing. The cage 11 is of U-shaped outline located in a central chamber 3 and has two arms 12, each formed with two openings 13 and the openings 13 are aligned to receive axially aligned spigots 14 on the rollers 8. The cage 11 has a pair of lugs 15 loosely engaged in slots 17 in an end cap 16 clamped to the housing by means of bolt 19. In the application of the brake the wedge member 7 is displaced axially, e.g. by operation of an air actuator, and the cage 11 also moves axially by the sliding engagement of the lugs 15 and slots 17. The wedge member 7 can rock or tilt to compensate for unequal tappet movement and such movement of the wedge member 7 is accompanied by a corresponding movement of the cage 11 with the lugs 15 rocking or tilting within the slots 17. The lugs 15 abut against the housing 1 to define the non-operative position of the wedge member 7 to which it is biased by resilient means, and the non-operative positions of the tappets 4 are defined by abutments 21, 22. In a modification, a portion of the housing 1 replaces the cap 16; grooves or other means are provided for co-operation with complementary means on the cage 11. One of the tappets 4 incorporates an automatic adjuster assembly which forms the subject of Specification 1,436,939.
Patent GB-1032483-A (GB)
Title: Motor vehicles
IPC: B60R21/045
Filed: 1965-01-27
Abstract: 1,032,483. Releasable fastenings. FORD MOTOR CO. Ltd. Jan. 27, 1965 [Jan. 30, 1964], No. 3477/65. Heading E2B. In a motor vehicle safety padding 1 is attached to the facia panel 2 by at least one fastener, the, or each fastener of which has a base 3 located on the padding, an elongated resilient tongue 4 which extends from the base through an aperture 10 in the panel and engages the inner face of the panel to prevent separation of the padding and panel, the tongue 4 engaging one side of the aperture to prevent relative sliding movement of the padding and panel in one direction and a second tongue 5 on the base of the fastener engaging the panel and preventing relative sliding movement of the padding and panel in the opposite direction. In the construction shown, for the or each fastener, the safety padding 1 carries a plate 9 which has apertures 14 and 15 and the fastener is attached to the plate 9 by members 6, 7 and 8 the member 6 extending from the base of the fastener through the aperture 14 and the members 7 and 8 through the aperture 15; the members 7 and 8 are arranged to engage opposite sides of the aperture 15 to prevent relative sliding movement of the plate and fastener. An additional tongue (not shown) may be located in the padding for engagement in an aperture of the panel to prevent sliding movement of the padding transversely of the vehicle.
Patent GB-221726-A (GB)
Title: Apparatus for coating a textile web with fusible adhesive materials
IPC: D06B1/14
Filed: 1924-02-11
Abstract: 221,726. Knecht, H., and Fehr, M. Dec. 3, 1923, [Convention date]. Addition to 175,252. Coating fabrics in long lengths. - The apparatus described in the parent Specification is modified by the interposition of means for allowing a free flow of melted material under gravity, such as a free space or a channel. The Figure shows melted material j being scraped off the roller by a scraper h and falling through space on to a roller e,. between which and a roller c a web b passes.
Patent GB-467928-A (GB)
Title: Improvements relating to scoring boards for cricket, lawn tennis and other games
IPC: A63B71/06
Filed: 1936-02-05
Abstract: 467,928. Scoring - boards. AYRES, Ltd., F. H., and FREEMAN, B. F. D. Feb. 5, 1936, No. 3532. [Class 132 (ii)] A scoring-board for cricket and like games comprises endless bands F1 passing over rounded bars G1, G2 and bearing characters or numerals which are displayed through apertures D1. Transverse slats H1, H2 ... H11, are situated between successive numerals and are engaged by handpieces K, sliding in vertical slots which serve to alter the exposed numerals.
Patent GB-430105-A (GB)
Title: The manufacture of an asymmetrical dyestuff of the thioindigo series
IPC: C09B7/10
Filed: 1934-02-02
Abstract: 6 - Methoxy - 6<1> - ethoxythioindigo is prepared by p  condensing a 2-derivative of 6-ethoxy-2 : 3 - diketodihydrothionaphthene with 6 - methoxy - 3 - hydroxythionaphthene or by condensing a 2-derivative of 6-methoxy-2 : 3-diketodihydrothionaphthene with 6 - ethoxy - 3 - hydroxythionaphthene.  In an example, the condensation is effected in chlorbenzene.  It dyes more reddish shades than 6 : 6<1>-diethoxythioindigo.  The ester salts of its leuco compound are mentioned.
Patent GB-751959-A (GB)
Title: Improvements in or relating to winding mechanisms for spring driven instruments
Inventor: WRIGHT JAMES FREDERICK
IPC: G04B3/12
Filed: 1953-02-09
Abstract: 751,959. Spring winders; semi-rotary engines. BRISTOL CO. April 26, 1954 [Feb. 9, 1953], No. 3608/53. Classes 10 and 110(2) [Also in Groups XVIII and XIX] Apparatus for winding a drive spring comprising an outer enclosed casing, a fluid supply port in the casing, a sector shaped vane chamber, a vane in said chamber, fluid passages entering said chamber at its radial walls, said passages providing fluid inlets and outlets on opposite sides of the vane in all positions of the vane, a rotary valve arranged to snap over between two alternative positions as the vane approaches the side walls of the chamber to connect the vane chamber fluid passages alternately to the fluid supply port. The mainspring arbor 11, Fig. 2, of a clock or clockwork driving mechanism is wound by the oscillations of an arbor 7 through a linkage 8, 9, 10 and a ratchet and pawl mechanism (not shown) or through a chain and sprocket drive (also not shown) the arbor 7 is co-axial with and connected to a shaft 6, Fig. 4, which carries a vane 4 which is caused by fluid under pressure to oscillate within a sector shaped chamber 3. The fluid is led into the chamber 3 from an inlet 21 alternately through passages 23 and 24 to opposite sides of the vane in dependence on the O position of a valve 22 controlled by a shaft 31. The shaft 31, Fig. 5, is connected to the arbor 7 through, a toggle mechanism comprising a lever 38 carried by the arbor 7 and carrying a pivoted collar 37 slidable on a rod 35 on which it is located by a compression spring 36. The rod 35 is pivotally mounted on a cam plate 33 carried by the shaft 31 and movable between two positions determined by stops 34 which alternately abut the arbor 7. The plate 33 has two cam surfaces 42, 421 which co-operate with a follower 40 on an arm 41 carried by the shaft 7 in such a way as to delay the movement of the plate 33 until the vane 4 is at the end of its travel in one direction. The valve 22, Fig. 4, controlled by the shaft 31 which connects the inlet 21 alternately to passage 23 or 24 also connects the passage 24 or 23 alternately to an exhaust outlet.
Patent GB-617339-A (GB)
Title: An improved method of and means for distilling sea water
IPC: C02F1/04
Filed: 1946-02-05
Abstract: <PICT:0617339/III/1> In feedwater preheating and distillation systems for steam-driven power plant, particularly marine engines, the feedwater is double or multiple distilled and the condensate from each distillation is condensed by heat exchange with the feed which is thus preheated.  Means are provided to prevent the once distilled water from mixing with other feed before it is double distilled.  The plant includes arrangements by which part of the feed is only once distilled to provide water for domestic &c. purposes and for condensation of the distillate when no feed is passing to the engines, i.e. when in port.  The plant comprises a turbine 2 fed with low-pressure steam through line 1 and provided with an underslung condenser 3, primary evaporators 28 and a secondary evaporator 59, storage tanks 77, 81 for double distilled water, and tanks 64, 66 for single distilled water; feedwater heaters 13, 15, 17 and drain coolers 9, 22, 24, 90, 100 with associated pumps 5, 11, 20, 33, 53. Feedwater for the boilers is provided by condensate from the condenser 3 which is pumped by pumps 5, 11 through air ejector cooler 7, cooler 9 to the preheaters 13, 15, 17 and thence to the boilers through line 18.  Sea water, picked up by line 19, is fed by pump 20 through coolers 22, 24, pipes 25, 26 and feed regulator 27 to the evaporators 28 provided with heating coils supplied with exhaust steam from the turbo pump 11 fed through line 37 and also low-pressure steam bled through line 38, reducing valve 39 and pipes 40-43.  Debrining ejectors 30 are operated by brine pump 33 and condensate from the coils passes to drain cooler 9.  Vapour from the evaporators passes through lines 48, 49 to feed heaters 24, 13, the condensate obtained passing through line 52 to pump 53, a float-controlled valve 55 being provided to maintain levels in heater 13.  The pump 53 feeds the condensate to second stage evaporator 59 and the vapours produced are condensed in feed heater 15 and the condensate mixed with condensate obtained from low-pressure steam bled from the turbine through line 45, is fed through lines 72, 73 and cooler 9 as the required make-up for boiler feed.  Excess feed may be passed through line 76 to storage tank 77 and thence to tank 81, while excess once-distilled feed is passed through lines 60, 62, 63 to tanks 64, 66.  When there is no flow of feed through the preheaters 13, 15, 17, i.e. when the ship is in port, the plant is modified as follows: The evaporators are heated by boiler steam fed through line 84 and the vapours evolved are passed through heat-exchangers 90, 100 cooled by circulation of sea water and the condensate is passed through line 92 to the once distilled storage tanks 64, 66.  The second stage evaporator is fed with water drawn from tank 66 through line 94 and is heated by steam supplied through line 96, 68.  The vapours pass through lines 29, 98 to cooler 100 and the double distilled condensate is passed through lines 101, 92 to storage tank 77.
Patent GB-458331-A (GB)
Title: Improved apparatus for the distribution of fibrous material, e.g. cotton, in pneumatic conveying plant
IPC: B65G53/52
Filed: 1936-02-07
Abstract: 458,331. Pneumatic conveyers. AKT.- GES. J. J. RIETER & CIE, Winterthur, Switzerland. Feb. 7, 1936, No. 3774. Convention date, April 1, 1935. [Class 78 (i)] [See also Group IX] In apparatus for the distribution of fibrous material, e.g. cotton to different branch conduits 2, 3, 4, Fig. 2, in pneumatic conveying plant, a fan 1 is arranged to draw in the fibrous material from a central main conduit 18, Fig. 1, the branch conduits being connected to the periphery of the fan casing and being shut off independently of one another relatively to the fan, e.g. bv the operation of valves 5, 6, 7 normally closed by springs 8 and which are opened by cords 14, 15, 16 through levers 11, 12, 13.
Patent GB-328686-A (GB)
Title: Improvements in or relating to the manufacture of rubber coated articles
IPC: C08J5/02
Filed: 1929-02-05
Abstract: 328,686. Dunlop Rubber Co., Ltd., and Twiss, D. F. Feb. 5, 1929. Latex, treating. - Chemical plant such as pipes, vats, rollers, coils, woven wire, perfora.ted metal etc. is coated with rubber by spraying thereon aqueous dispersions of rubber, including vulcanized, waste and reclaim rubber, guttapercha, balata or similar vegetable resins, which may be compounded or concentrated as in Specification 290.313. The rubber coating is dried and vulcanized in any suitable manner. In an example a dispersion consists of 73¥ parts by weight of rubber in the form of latex, 10 parts of zinc oxide, 10 parts of whiting, 272 parts of sulphur, and “ part of diethylamine diethyldithiocarbamate, with, if desired, ¢ per cent of casein and 2 per cent aqueous ammonia. Reference has been directed by the Comptroller to Specifications 277,375, 301,300 and 318,435.
Patent GB-394057-A (GB)
Title: Improved apparatus for sifting potters' slip and for analogous purposes
IPC: B07B1/30
Filed: 1932-02-09
Abstract: 394,057. Filters or strainers. JONES, A. and JONES, W. H., (trading as EDWARDS & JONES), Globe Engineering Works, Cooke Street, Longton, Stoke-on- Trent. Feb. 9, 1932, No. 3799. [Class 46.] Apparatus for sifting potters, slip, flint, &c., or for screening operations consists of a box 10, preferably carrying a number of superposed sieves 15, and having discharge openings 16 for the dirt or oversize material and an inclined bottom 10a for discharging the sifted material. The frame is supported and actuated at one end by an eccentric shaft 13 and at the other end by links 17 adjustably connected to the frame 11 which preferably rests on resilient buffers 22 on the support 23.
Patent GB-179282-A (GB)
Title: Improvements in and relating to spinning machines
IPC: D01H1/06
Filed: 1921-02-01
Abstract: 179,282. British Thomson - Houston Co., Ltd., and Clough, F. H. Feb. 1, 1921. S p i n d l e apparatus; spindle driving apparatus: anti-ballooning arrangements. - To spin cotton or other yarn at high speed and at the same time to avoid undue tension it is passed to the spindle 15 through a passage 4 and inside a cap 5 concentric with and rotatable relatively to the spindle, whereby the yarn is protected from windage and is prevented from ballooning. The cap is provided with a yarn guide on the rim 9 and is slidably connected to the spindle by means of a light friction packing 10, so that when either is rotated positively the other tends to rotate therewith but is braked by a friction or magnetic brake controlled bv the tension of the yarn. As shown, a friction brake 11, controlled by a spring 21 and by the yarn, which passes through an eye 2 on an arm 20, is applied to the cap, but for the finest yarn a brake may be controlled by a relay operated by the yarn, or a disc of conducting-material may be mounted to rotate between the poles of an electromagnet, the circuit of which is controlled by the relay. The spindle 15 is mounted in a step bearing 16 on a driven spindle 18 and is driven by contact of the upper face of the bearing with a disc 17. A ring 19 raises the disc from the bearing. Specification 16792/15 is referred to.
Patent GB-1179094-A (GB)
Title: Improvements in Non-Woven Fibrous Materials
Inventor: SLACK PHILIP TREVOR
IPC: D04H13/00
Filed: 1966-01-28
Abstract: 1,179,094. Laminates. P. T. SLACK. 27 Jan., 1967 [28 Jan., 1966], No. 3854/66. Heading B5N. A method of forming a non-woven fibrous material comprises subjecting a plurality of films in stacked relationship to the action of a needle punch, the films being composed of orientated fibrillizable polymer, i.e. one capable of being orientated by stretching, e.g. isotactic polypropylene and copolymers of propylene with other olefinically unsaturated monomers. The directions of orientation of adjacent film layers are preferably at right angles to one another. The layers may consist of flattened tubular films or of strips of film cut longitudinally. The films may be alternated with layers formed of transversely cut strips of film. If desired a scrim may be disposed in the stack before needle punching. The scrim may be formed by providing in the film stack before needle punching a layer of film having a plurality of monofilaments formed integrally therein. Preferably at least two such layers are provided so disposed that the longitudinal axes of the monofilaments in successive monofilament containing layers are at right angles. The stack may be subjected to an electrostatic field to cause electrostatic attraction between adjacent layers of the stack. As shown in Fig. 1 a conveyer 1 feeds a continuous stack 2 of orientated films to a needle punch 3. The stack 2 is formed of layers of continuous films 4, fed from rolls 5, alternated with layers of discontinuous films 6 formed by reciprocating means which pull a film laterally across the width of the film 4, cut it, and repeat the operation.
Patent GB-434877-A (GB)
Title: Improvements in or relating to resilient mountings
IPC: F16F3/087
Filed: 1934-02-06
Abstract: 434,877. Resilient mountings. FIRESTONE TYRE & RUBBER CO., Ltd., Great West Road, Brentford, Middlesex.-(Assignees of Saurer, C.) Feb. 6, 1934, No. 3880. Convention date, Oct. 11, 1933. [Class 108 (iii)] [See also Group XXXI] A resilient structure interposed between a supported member 25, e.g. the supporting foot of a motor vehicle engine and a supporting member 20, e.g. a cross-member of the vehicle frame, comprises a dome - shaped rubber member 27 having a peripheral metal facing 30 beyond which the rubber projects, the supporting member 20 being formed with an annular rib 24 adapted to be engaged by the projecting rubber portion 31. A bolt 33 which secures the members 20, 25, 27 also holds in place a rubber disc 38 which has a boss 38<a> engaging an aperture in the member 20 and which cushions rebound of the engine &c. A modified form of the device which provides greater resistance to radial vibrations in one direction than in a direction at rightangles thereto, has a pair of diametricallyopposed recesses formed in its under surface while a flanged bracket is moulded into and vulcanized to its top surface for engaging the member 25 to ensure that the device occupies its correct angular position relatively to the supporting member. Various modified constructions of the rubber member 27 are described and shown including one in which a coiled compression spring is moulded into the rubber and one in which a spring is placed in the cavity beneath the rubber member. The Specification as open to inspection under Sect. 91 comprises also another construction which forms the subject-matter of Specification 435,023. This subject-matter does not appear in the Specification as accepted.
Patent GB-1083851-A (GB)
Title: Pneumatic wet-process jig
IPC: B03B5/20
Filed: 1965-01-28
Abstract: 1,083,851. Jigs. SCHUCHTERMANN & KREMER-BAUM A.G. FUR AUFBEREITUNG. Jan. 28, 1965 [May 19, 1964], No. 3883/ 65. Heading B2H.  In a pneumatic wet-process jig for grading minerals e.g. pit coal, and comprising a settling tank 1 in which air chambers 7, 7<SP>1</SP> - 11, 11<SP>1</SP> are provided below the jig screen 12, 13, air-control valves 19 are mounted on a support 16 extending in the longitudinal direction of the tank vertically above the jig screen. The tank is divided into two settling compartments having outlets 14, 15 for the heavy product. The support 16 may be constituted by a compressed air receiver mounted on crossbeams 18 secured to the tank and the valves 19, which connect the air chambers alternately to the receiver and to the atmosphere, are operated by a geared engine 21 through a common shaft 20. Compressed-air lines 22 extend in the longitudinal medial plane of the tank from the valves 19 downwards through the jig bed and at a position below the jig screen 12, 13, are forked in the direction of the air chambers 7, 7<SP>1</SP>-11, 11<SP>1</SP>. In the region of the jig bed the compressed-air lines may have an 'elliptic or stream-lined cross-section or may be disposed between smooth parallel guide walls.
Patent GB-1086202-A (GB)
Title: Improved electric switch
Inventor: MILCOY EDGAR ALBERT PHILIP
IPC: H01H13/60
Filed: 1964-01-30
Abstract: 1,086,202. Hand actuating devices for switches. ARROW ELECTRIC SWITCHES Ltd. Jan. 29, 1965 [Jan. 30, 1964], No. 3952/64. Heading H2B. A push - button 11 for a switch operated alternately by successive depressions thereof is moulded of synthetic plastic and has an integral skirt 12, by which it is slidably retained in the bore 17 of a switch body 18, and an integral central finger 15 for actuation of the switch mechanism. The finger 15 is flexible so that on successive depressions of the button 11 the tip 16 alternately engages the surfaces 26 and 27 of a pivoted member 20 to rock it between the position shown and the opposite position (Fig. 5, not shown). The pivot pin 19 passes through slots 14 in extensions 13 of the skirt 12 and retains the button in the switch body. Alternatively, projections from the skirt 12 may engage in slots in the bore 17.
Patent GB-241077-A (GB)
Title: Improvements in and relating to re-railing ramps
IPC: B61K5/06
Filed: 1925-02-12
Abstract: 241,077. Merchant, W. A. Feb. 12, 1925. Addition to 195,899. Car-replacers. - In order to ensure that the vehicle wheels, on leaving the ramp described-in the parent Specification, should pass either on to the stock rail or switch rail and not fall between the two, the upper surface of the ramp is provided with wheel-guiding means in. the form of two V-shaped projections a, b, which provide between them a groove tapering towards the front for receiving the wheel flange, while the tread c.f the wheel rides over the surface of one of the projections. Lateral displacement of the ramp while in use is prevented by a downwardly projecting flange d adapted to bear against the inner surface of the stock rail e.